Home / 841,794.80-1,161,388.68-479,127.92

Finding the Fourth Proportional to 841,794.80, 1,161,388.68 and 479,127.92

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Solution

The fourth proportional to 841,794.80, 1,161,388.68 and 479,127.92 is: 661,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,794.80 : 1,161,388.68 = 479,127.92 : x
  2. Step 2: Convert to fraction form
    841,794.80/1,161,388.68 = 479,127.92/x
  3. Step 3: Cross multiply
    841,794.80x = 1,161,388.68 × 479,127.92
  4. Step 4: Simplify right side
    841,794.80x = 556,453,742,559.95
  5. Step 5: Solve for x
    x = 556,453,742,559.95/841,794.80
  6. Step 6: Final answer
    x = 661,032.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.